Subaru WRX & STi Turbo Upgrade Kit from AMS
The stock turbo on the Subaru WRX STi is small. In fact it is tiny and overworked. But AMS has the solution for that. The WRX turbo upgrade from AMS features a rotated mount turbo kit. This kit can be configured with a a couple of different sized turbos depending on what you are looking for. You can get a street, race, or drag turbo upgrade kit for your Subaru WRX and STi from AMS. And this awesome turbo kit retails for about $3750! Read more »
The Scion xB is a hugely sucessful micro van. Toyota hit a home run with the entire Scion line-up and you can see teenagers and adults alike with pimped out Scion vehicles. The xB is arguably the most popular and there are tons of tuning parts available. With a base price of $15k and used examples right in the range of most, there can still be funds left over fir some tuning parts. GReddy has turbo kits for pretty much every Japanese vehicle. And the Greddy Scion xB Turbo Kit will boost horsepower by a fair amount. 
When Mazda released the all newly redesigned RX-8 back in 2003, enthusiasts were lining up to own the successor to the beloved RX-7. Well it did not take long for owners to realize that the advertised 247 horsepower seemed much less. And dyno results told the tale; the car was indeed down on power. A few speculations were tossed out including revised ECU control to meet Federal emissions standards. But the fact remained the car could only muster 185 WHP on a Dyno at the most. Well luckily companies out there like Greddy have a wonderful turbo kit waiting that will add almost a 30% increase in power.
The 2007-2009 model year Pontiac Solstice is powered by a 2.0 liter inline 4-cylinder engine that produces 260 Horsepower and 260 lb-ft. of torque. This was the highest output per liter engine ever created by General Motors. This Ecotec engine also had a sweet dual-scroll turbocharger hanging off of it. The LNF Turbo Upgrade kit will add 30 HP and 80 ft-lb. of torque to your Solstice for only $650!
Air Power systems or APS is an Australian performance company that specializes in tuning forced induction or turbo cars. They have been in the game for many years but hit major pay dirt with their extensive line of upgrades for the Subaru Impreza WRX and STi vehicles.
The HKS Turbo kit for the Acura RSX comes loaded with the best offerings from HKS Japan. This is probably the most popular turbo kit available for the 2.0L K20 RSX engine due to its bolt on easiness. The kit retails at $3500 but does not come with the engine management, injectors, or intercooler. Good news is that the HKS RSX turbo kit can net you over 100 Horsepower!
The Acura RSX is a popular Sport Compact car. Building on the awesome Acura Integra GSR platform, the RSX Type-S comes from the factory with a 200 Horsepower K20 engine. The GReddy Street Performer Bolt-On Turbo Kit can safely produce 50-75 street legal HP for about $3K! This Turbo kit is 50-state street legal and comes with a cool CARB sticker to show the cops when the pull you over.